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Ag2S + 4 KCN = 2 KAg(CN)2 + K2S
K + HNO3 = KNO3 + NH2 + H2O =>
7 K + 8 HNO3 = 7 KNO3 + NH2 + 3 H2O
Be(OH)2 + KOH = K + BeO2 + H2O =>
Be(OH)2 + 2 KOH = 2 K + BeO2 + 2 H2O
HCl + K2SO4 = KCl + H2SO4 =>
2 HCl + K2SO4 = 2 KCl + H2SO4
S(s) + HNO3(aq) = H2SO4(aq) + NO2(g) + H2O(g) =>
S(s) + 6 HNO3(aq) = H2SO4(aq) + 6 NO2(g) + 2 H2O(g)
HF + Pb(OH)2 = PbF2 + H2O =>
2 HF + Pb(OH)2 = PbF2 + 2 H2O
Sn + HNO3(conc) = H2SnO3 + NO2 + H2O =>
Sn + 4 HNO3(conc) = H2SnO3 + 4 NO2 + H2O
HF + Pb(OH)2 = PbF2 + H2O =>
2 HF + Pb(OH)2 = PbF2 + 2 H2O
Li2O + SiO2 = Li2Si2O5 =>
Li2O + 2 SiO2 = Li2Si2O5
C6H12O6(ac) + O2(g) = CO2(g) + H2O(g) =>
C6H12O6(ac) + 6 O2(g) = 6 CO2(g) + 6 H2O(g)
HC2H3O2 + NaHCO3 = NaC2H3O2 + H2CO3 =>
HC2H3O2 + NaHCO3 = NaC2H3O2 + H2CO3
KOH + HY = KY + H2O =>
KOH + HY = KY + H2O
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
Na2O + H3PO4 = H2O + Na3PO4 =>
3 Na2O + 2 H3PO4 = 3 H2O + 2 Na3PO4
N(OH)2 + HCl = NCl2 + H2O =>
N(OH)2 + 2 HCl = NCl2 + 2 H2O
BeI + CuSO4 = BeSO4 + CuI =>
BeI + CuSO4 = BeSO4 + CuI
Al + HCN = AlCN + H =>
Al + HCN = AlCN + H
CH3CH2Cl + H2O = CH3CH2OH + HCl =>
CH3CH2Cl + H2O = CH3CH2OH + HCl
SO2 + CaO = Ca2(SO3)2 =>
2 SO2 + 2 CaO = Ca2(SO3)2
NaI + Br2 = NaBr + I2 =>
2 NaI + Br2 = 2 NaBr + I2
NH4CO3 + HNO3 = NH4NO3 + CO2 + H2O =>
8 NH4CO3 + 6 HNO3 = 7 NH4NO3 + 8 CO2 + 5 H2O
Ca + Cl = Ca2Cl =>
2 Ca + Cl = Ca2Cl
Ca + C = Ca2C =>
2 Ca + C = Ca2C
Na3AsO4 + HCl = Na3AsO3 + H2O + Cl2 =>
Na3AsO4 + 2 HCl = Na3AsO3 + H2O + Cl2
Cr + HF = CrF3 + H =>
Cr + 3 HF = CrF3 + 3 H
Ca + C = Ca2C =>
2 Ca + C = Ca2C
K2CrO4 + K2S + H2SO4 = Cr2(SO4)3 + KHSO4 + H2O =>
8 K2CrO4 + 3 K2S + 31 H2SO4 = 4 Cr2(SO4)3 + 22 KHSO4 + 20 H2O
Mg2Si + NaOH + H2O = Mg(OH)2 + Na2SiO3 + H2 =>
Mg2Si + 2 NaOH + 5 H2O = 2 Mg(OH)2 + Na2SiO3 + 4 H2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
C2H5COOH + BaO = (C2H5COO)2Ba + H2O =>
2 C2H5COOH + BaO = (C2H5COO)2Ba + H2O
As + Br = AsBr5 =>
As + 5 Br = AsBr5
Cu{2+} + NO3{2-} = CuNO3 =>
Cu{2+} + NO3{2-} = CuNO3
K2CrO4 + NaOH = KOH + Na2CrO4 =>
K2CrO4 + 2 NaOH = 2 KOH + Na2CrO4
Ca(NO3)2 + (NH4)2HPO4 + C6H8O7 = Ca10(PO4)6(OH)2 + CO2 + NH3 + H2O =>
90 Ca(NO3)2 + 54(NH4)2HPO4 + 80 C6H8O7 = 9 Ca10(PO4)6(OH)2 + 480 CO2 + 288 NH3 + 122 H2O
NaOH + CrSO4 = Cr(OH) + NaSO4 =>
NaOH + CrSO4 = Cr(OH) + NaSO4
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
Cr(SO4)3 + NaOH = Cr(OH)3 + NaSO4 =>
Cr(SO4)3 + 3 NaOH = Cr(OH)3 + 3 NaSO4
KOH + HY = KY + H2O =>
KOH + HY = KY + H2O
NH4H2PO4 + H2SO4 = (NH4)2SO4 + H3PO4 =>
2 NH4H2PO4 + H2SO4 = (NH4)2SO4 + 2 H3PO4
Ca + H2SO4 = CaSO4 + H2 =>
Ca + H2SO4 = CaSO4 + H2
C5H8O2 + NaOH = C5H7O2 + NaOH2 =>
C5H8O2 + NaOH = C5H7O2 + NaOH2
Cu + H2O = CuO + H2 =>
Cu + H2O = CuO + H2
BaS + HNO3(knoc) = BaSO4 + NO2 + H2O =>
BaS + 8 HNO3(knoc) = BaSO4 + 8 NO2 + 4 H2O
PbNi2 + K2SO4 = PbSO4 + KNi =>
PbNi2 + K2SO4 = PbSO4 + 2 KNi
Ni(OH)2 + NH4OH = Ni(NH3)6 + H2O + OH =>
Ni(OH)2 + 6 NH4OH = Ni(NH3)6 + 6 H2O + 2 OH
H2 + O2 = H2O* =>
2 H2 + O2 = 2 H2O*
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
HClO4 + H2O = ClO4{-} + H3O{+} =>
HClO4 + H2O = ClO4{-} + H3O{+}
C2H4O + CuO = C2H4O2 + Cu =>
C2H4O + CuO = C2H4O2 + Cu
K2Cr2O7 + H2SO4 = K2SO4 + Cr2SO4 + H2O + O2 =>
2 K2Cr2O7 + 4 H2SO4 = 2 K2SO4 + 2 Cr2SO4 + 4 H2O + 5 O2
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